Carrier WeatherMaster 50GC 04-06 Series Installation Instructions Manual page 36

may be necessary to complete the unit and smoke detector config-
uration to meet project requirements.
Units equipped with factory-optional return-air smoke detectors
require a relocation of the sensor module at unit installation. See
Fig. 50 for the as-shipped location.
Completing Return Air Smoke Sensor Installation
1. Unscrew the two screws holding the return-air smoke detec-
tor assembly. See Fig. 51, Step 1. Save the screws.
2. Turn the assembly 90 degrees and then rotate end to end.
Make sure that the elbow fitting is pointing down. See
Fig. 51, Step 2.
3. Screw the sensor and detector plate into its operating position
using screws from Step 1. See Fig. 51, Step 3.
4. Connect the flexible tube on the sampling inlet to the sam-
pling tube on the basepan.
Additional Application Data
Refer to the application data document "Factory Installed Smoke
Detectors for Small and Medium Rooftop Units 2 to 25 Tons" for
discussions on additional control features of these smoke detectors
including multiple unit coordination.
STEP 1
Fig. 51 — Completing Installation of Return Air Smoke Sensor
RETURN AIR
SMOKE DETECTOR
(AS SHIPPED)
Fig. 50 — Return-Air Smoke Detector,
STEP 2
36
Shipping Position
STEP 3